McFly announce birthday party for massive anniversary, and tickets are out this week

McFly are in the mood to dance, as the iconic quartet have just confirmed they'll be holding an enormous birthday party to commemorate the band's 21st birthday. The gig, which is due to be held at London's O2 Arena, will have its tickets released later this week, but there is a chance to get presale first. Here's what you need to know.